[INFO] updating cached repository https://github.com/pixlark/rust-chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5574de551476386e7c852d19d296848b03d0bd15
[INFO] testing pixlark/rust-chess against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpixlark%2Frust-chess" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pixlark/rust-chess on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pixlark/rust-chess
[INFO] finished tweaking git repo https://github.com/pixlark/rust-chess
[INFO] tweaked toml for git repo https://github.com/pixlark/rust-chess written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/pixlark/rust-chess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04e843562e017908ecd110faa92f163ceca182354448cd683361f3142b0a920d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "04e843562e017908ecd110faa92f163ceca182354448cd683361f3142b0a920d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04e843562e017908ecd110faa92f163ceca182354448cd683361f3142b0a920d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04e843562e017908ecd110faa92f163ceca182354448cd683361f3142b0a920d", kill_on_drop: false }`
[INFO] [stdout] 04e843562e017908ecd110faa92f163ceca182354448cd683361f3142b0a920d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db8e22c8caf2fec484144022c27b95a0eb8900ae113983ff7bd5bde85fb24c83
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "db8e22c8caf2fec484144022c27b95a0eb8900ae113983ff7bd5bde85fb24c83", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:418:13
[INFO] [stdout]     |
[INFO] [stdout] 418 |             _ => panic!("Movement not implemented for this yet..."),
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sdl_image_context`
[INFO] [stdout]    --> src/main.rs:590:9
[INFO] [stdout]     |
[INFO] [stdout] 590 |     let sdl_image_context = image::init(image::InitFlag::all()).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sdl_image_context`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |         for i in 0..3 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `flipped`
[INFO] [stdout]   --> src/main.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn flipped(self: &Side) -> Side {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `starting`
[INFO] [stdout]    --> src/main.rs:203:8
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn starting() -> Board {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `capture_on_line`
[INFO] [stdout]    --> src/main.rs:263:8
[INFO] [stdout]     |
[INFO] [stdout] 263 |     fn capture_on_line(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:468:9
[INFO] [stdout]     |
[INFO] [stdout] 468 | /         canvas.copy(
[INFO] [stdout] 469 | |             texture_table.table[tex_index.0][tex_index.1]
[INFO] [stdout] 470 | |                 .as_ref()
[INFO] [stdout] 471 | |                 .unwrap(),
[INFO] [stdout] ...   |
[INFO] [stdout] 478 | |             )),
[INFO] [stdout] 479 | |         );
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:570:13
[INFO] [stdout]     |
[INFO] [stdout] 570 | /             canvas.copy(
[INFO] [stdout] 571 | |                 texture_table.table[tex_index.0][tex_index.1]
[INFO] [stdout] 572 | |                     .as_ref()
[INFO] [stdout] 573 | |                     .unwrap(),
[INFO] [stdout] ...   |
[INFO] [stdout] 580 | |                 )),
[INFO] [stdout] 581 | |             );
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/game-a8ceb545b23e4721.game.5pkx4mlv-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/game-a8ceb545b23e4721.game.5pkx4mlv-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/game-a8ceb545b23e4721.game.5pkx4mlv-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/game-a8ceb545b23e4721.game.5pkx4mlv-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/game-a8ceb545b23e4721.game.5pkx4mlv-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/game-a8ceb545b23e4721.game.5pkx4mlv-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/game-a8ceb545b23e4721.game.5pkx4mlv-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/game-a8ceb545b23e4721.game.5pkx4mlv-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/game-a8ceb545b23e4721.game.5pkx4mlv-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/game-a8ceb545b23e4721.game.5pkx4mlv-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/game-a8ceb545b23e4721.game.5pkx4mlv-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/game-a8ceb545b23e4721.game.5pkx4mlv-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/game-a8ceb545b23e4721.game.5pkx4mlv-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/game-a8ceb545b23e4721.game.5pkx4mlv-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/game-a8ceb545b23e4721.game.5pkx4mlv-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/game-a8ceb545b23e4721.game.5pkx4mlv-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/game-a8ceb545b23e4721" "/opt/rustwide/target/debug/deps/game-a8ceb545b23e4721.3duxaidh5cvyongr.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsdl2-31cc63eea65778d9.rlib" "/opt/rustwide/target/debug/deps/librand-11ea1f4bc20e022e.rlib" "/opt/rustwide/target/debug/deps/librand-d6f8172f2355255a.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-291caadcd075695d.rlib" "/opt/rustwide/target/debug/deps/libbitflags-7b15d77b989f677d.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-2ea69cae54b65af6.rlib" "/opt/rustwide/target/debug/deps/liblibc-992e4eaaf6dee430.rlib" "/opt/rustwide/target/debug/deps/libnum-40c02d75b8f4456d.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-d638954e43e05d15.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-6f06a2f01512f241.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-cdbb2c93d82ff0aa.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d66e0ceb8eaec9b8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9717ec0599b569a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-04369de9ba916647.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-997d622c2e4dbe5c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-0359c4288a5ef89f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-1b25ede22d698ab3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-37940b486a68e488.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-06b77c27e794c7c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4d07e02a8df36da1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-fb29e0695c0a0f79.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e16188b4cf97e8bb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5eb391c8dabdee77.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-b0689b528b222bee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ed072ac495e62e7a.rlib" "-Wl,-Bdynamic" "-lSDL2_image" "-lSDL2" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_image
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `game`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "db8e22c8caf2fec484144022c27b95a0eb8900ae113983ff7bd5bde85fb24c83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db8e22c8caf2fec484144022c27b95a0eb8900ae113983ff7bd5bde85fb24c83", kill_on_drop: false }`
[INFO] [stdout] db8e22c8caf2fec484144022c27b95a0eb8900ae113983ff7bd5bde85fb24c83